<template>
    <panel-head :route="route"/>
    <div class="btns">
        <el-button icon=Plus type="primary"@click="open(null)" size="small">新增</el-button>
    </div>
    <el-table :data="tableData.list" style="width: 100%;">
        <el-table-column prop="id" label="id"/>
        <el-table-column prop="name" label="昵称"/>
        <el-table-column prop="permissionName" label="菜单权限" width="500px"/>
        <el-table-column label="操作">
            <template #default="scope">
                <el-button type="primary" @click="open(scope.row)">编辑</el-button>
            </template>
        </el-table-column>
    </el-table>
    <!-- 分页 -->
    <div class="pagination-info">
        <el-pagination
            v-model:current-page="paginationData.pageNum"
            :page-size="paginationData.pageSize"
            :background="false"
            size="small"
            layout="total, prev, pager, next"
            :total="tableData.total"
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
        />
    </div>
   <el-dialog
        v-model="dialogFormVisable"
        :before-close="beforeClose"	
        title="添加权限"
        width="500"
   >
        <el-form
            ref="formRef"
            label-width="100px"
            label-position="left"
            :model="form"
            :rules="rules"
        >   
            <el-form-item v-show="false" prop="id">
                <el-input v-model="form.id"/>
            </el-form-item>
            <el-form-item label="名称" prop="name">
                <el-input v-model="form.name" placeholder="请填写权限名称"></el-input>
            </el-form-item>
            <el-form-item label="权限" prop="permissions">
                <el-tree
                    ref="treeRef"
                    style="max-width:600px;"
                    :data="permissionsData"
                    node-key="id"
                    show-checkbox
                    :default-checked-keys="defaultKeys"
                    :default-expanded-keys="[2]"
                />
            </el-form-item>
        </el-form>
        <template #footer>
            <div class="dialog-footer">
                <el-button type="primary" @click="confirm(formRef)">确认</el-button>
            </div>
        </template>
   </el-dialog>
</template>
<script setup>
import {ref,reactive,onMounted, nextTick} from 'vue'
import {userGetMenu,userSetMenu,menuList} from '../../../api'
import {useRoute} from 'vue-router'

const route = useRoute()

onMounted(()=>{
    userGetMenu().then(({data})=>{
        console.log(data);
        permissionsData.value = data.data
    })
    getListData()
})

const paginationData = reactive({
    pageNum: 1,
    pageSize: 10
})

//列表数据
const tableData = reactive({
    list: [],
    total:0
})

//打开弹窗
const open = (rowData= {})=>{
    dialogFormVisable.value = true
    nextTick(()=>{
        if(rowData){
            Object.assign(form,{id:rowData.id , name:rowData.name})
            treeRef.value.setCheckedKeys(rowData.permission)
        }
    })
}

const handleSizeChange=(val)=>{
    paginationData.pageSize = val
    getListData()
}
const handleCurrentChange=(val)=>{
    paginationData.pageNum = val
    getListData()
}

//请求列表数据
const getListData=()=>{
    menuList(paginationData).then(({data})=>{
        const { list, total} = data.data
        tableData.list = list
        tableData.total = total
    })
}

const formRef = ref()

const form = reactive({
    name:'',
    permissions:'',
    id:''
})

const permissionsData = ref([])

const dialogFormVisable = ref(false)

const beforeClose = ()=>{
    dialogFormVisable.value = false
    //重置表单内容
    formRef.value.resetFields()
    //重置tree
    treeRef.value.setCheckedKeys(defaultKeys    )
}

const defaultKeys = [4,5]

const treeRef = ref()

const rules = reactive({
    name:[{required:true,trigger:'blur',message:'请输入权限名称'}]
})
//表单提交
const confirm = async(formEl)=>{
    if (!formEl) return
    await formEl.validate((valid, fields)=>{
        if(valid){
            const permissions = JSON.stringify(treeRef.value.getCheckedKeys())
            userSetMenu({name:form.name,permissions,id:form.id}).then(({data})=>{
                beforeClose()
                getListData()
            })
        }
        else{
            console.log('error submit!', fields)
        }
    })
}
</script>
<style lang="less" scoped>
.btns{
    padding: 10px 0 10px 10px;
    background-color: #fff;
}
</style>